Core Tip: Fiber optic sensors have been widely used in defense, power, petroleum, construction, medicine and other fields. With the development of Internet of Things technology, fiber optic sensors will play a more important role in the Internet of Things together with wireless sensing technology. Rapid development of the global fiber optic sensor market The most advanced US fiber optic sensor research in the United States started early, and the fiber optic sensing technology is the most advanced in the world. The data shows that the US fiber optic sensor market in 2007 was 235 million US dollars, and then increased at a compound annual growth rate of 30%, and is expected to reach 1.6 billion US dollars in 2014. From the global market perspective, the global fiber optics in 2013
Fiber optic sensors have been widely used in defense, power, petroleum, construction, medicine and other fields. With the development of Internet of Things technology, fiber optic sensors will play a more important role in the Internet of Things together with wireless sensing technology.

The global fiber sensor market is developing rapidly.

The research on fiber optic sensors in the United States started early, and the fiber-optic sensing technology is the most advanced in the world. The data shows that the US fiber optic sensor market in 2007 was 235 million US dollars, and then increased at a compound annual growth rate of 30%, and is expected to reach 1.6 billion US dollars in 2014.

From the perspective of the global market, the global fiber sensor market in 2013 was 1.89 billion US dollars. It is expected that the annual growth rate of the market will increase by 18% in 2014-2018. By 2018, the market size will reach 4.33 billion US dollars.

The domestic fiber sensor market is in its infancy, but the development space is broad.

The sensor industry report released by the Prospective Industry Research Institute pointed out that China's optical fiber sensing industry is in its infancy, and the market size is still small. However, fiber optic sensors are widely used in many industries in China. For example, fiber optic sensors will be widely used in oil and gas, aerospace, biomedical and other fields. For example, fiber optic sensors can be embedded in concrete, carbon fiber reinforced plastics and various composite materials. Used to test stress relaxation, construction stress and dynamic load stress to evaluate the structural performance of the short-term construction phase and long-term operational state of the bridge. Under the influence of policy promotion and scale effect, the market space of optical fiber sensors is becoming wider and wider.

The Sensor Industry Research Group of the Forward-looking Industrial Research Institute also pointed out that as of the end of 2013, China had a total of 263 sensor manufacturers with a capacity of more than 20 million yuan. However, the overall quality of the industry is uneven. The number of sensor companies above the scale is mainly small enterprises, accounting for nearly 70%. At the same time, most companies focus on the production of low-end products, mainly based on price competition, and the competition is fierce, while high-end products are concentrated in leading enterprises and foreign-funded enterprises.

The award-winning Zhejiang Institute of Metrology, "Application of White Light Interferometry in the Measurement of Fiber Sensor Characteristics", has developed a set of devices for laboratory and on-line metering of fiber Bragg grating sensors to achieve uniformity of fiber gratings. Demodulation system performance measurement and the ability to measure online. In the field of fiber optic sensors, the system also provides metrology verification services for fiber optic sensor systems used in large engineering projects. The success of this research project will help to improve the high-end technology level of the domestic sensor industry and enhance the competitiveness of domestic enterprises in the high-end, emerging sensor products market such as fiber optic sensors.